Element block pseudo-class :active generated with float none line-height 1 padding 20px font-weight normal height auto z-index auto box-sizing content-box position static display block width 160px overflow hidden border-radius margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform text-shadow -1px -1px 0px rgba(255,255,255,0.2) background border 0px rgba(0,0,0,1) solid font-size 16px cursor default transition